245213864667 has 24 divisors (see below), whose sum is σ = 355624540128. Its totient is φ = 162817699200.

The previous prime is 245213864617. The next prime is 245213864669. The reversal of 245213864667 is 766468312542.

245213864667 is a `hidden beast` number, since 2 + 45 + 2 + 138 + 6 + 466 + 7 = 666.

It is not a de Polignac number, because 245213864667 - 2¹² = 245213860571 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (245213864669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14148367 + ... + 14165687.

It is an arithmetic number, because the mean of its divisors is an integer number (14817689172).

Almost surely, 2^245213864667 is an apocalyptic number.

245213864667 is a deficient number, since it is larger than the sum of its proper divisors (110410675461).

245213864667 is a wasteful number, since it uses less digits than its factorization.

245213864667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23571 (or 23568 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 245213864667 in words is "two hundred forty-five billion, two hundred thirteen million, eight hundred sixty-four thousand, six hundred sixty-seven".